MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Simplified equation of continuity is represented as _____________ |
| A. | A1V2 = A2V2 |
| B. | A1V1 = A1V2 |
| C. | A2V1 = A1V1 |
| D. | A1V1 = A2V2 |
| Answer» E. | |
| 2. |
Venturi relation is one of the applications of ___________ |
| A. | Light equation |
| B. | Bernoulli’s equation |
| C. | Speed equation |
| D. | Equation of continuity |
| Answer» C. Speed equation | |
| 3. |
Water ideally flows through a pipe of radius 6 centimeters at a rate of 5 meters per second. The pipe then narrows to a radius of 2 centimeters. What is the new velocity of the water? |
| A. | 50 m/s |
| B. | 55 m/s |
| C. | 60 m/s |
| D. | 65 m/s |
| Answer» C. 60 m/s | |
| 4. |
Water flows through a rubber hose 2 cm in diameter at a velocity of 4 m/s. What is the rate of flow rate of flow in m3/min? |
| A. | 0.0754 m3/min |
| B. | 0.0750 m3/min |
| C. | 0.0764 m3/min |
| D. | 0.0760 m3/min |
| Answer» B. 0.0750 m3/min | |
| 5. |
What do you mean by “u” in the following equation of Reynolds number and for what type of conduit is it applicable?\(R_e = \frac{Duρ}{\mu}\) |
| A. | Fluid viscosity, Stirred vessel |
| B. | Average linear velocity, Pipe |
| C. | Average linear velocity, Stirred vessel |
| D. | Fluid viscosity, Pipe |
| Answer» C. Average linear velocity, Stirred vessel | |
| 6. |
Which of the following fluid flow can form “eddies”? |
| A. | Streamline flow |
| B. | Laminar flow |
| C. | Turbulent flow |
| D. | Non-turbulent flow |
| Answer» D. Non-turbulent flow | |
| 7. |
WATER_FLOWS_THROUGH_A_RUBBER_HOSE_2_CM_IN_DIAMETER_AT_A_VELOCITY_OF_4_M/S._WHAT_IS_THE_RATE_OF_FLOW_RATE_OF_FLOW_IN_M3/MIN??$ |
| A. | 0.0754 m<sup>3</sup>/min |
| B. | 0.0750 m<sup>3</sup>/min |
| C. | 0.0764 m<sup>3</sup>/min |
| D. | 0.0760 m<sup>3</sup>/min |
| Answer» B. 0.0750 m<sup>3</sup>/min | |
| 8. |
Venturi relation is one of the applications of ___________$ |
| A. | Light equation |
| B. | Bernoulli’s equation |
| C. | Speed equation |
| D. | Equation of continuity |
| Answer» C. Speed equation | |
| 9. |
Water_ideally_flows_through_a_pipe_of_radius_6_centimeters_at_a_rate_of_5_meters_per_second._The_pipe_then_narrows_to_a_radius_of_2_centimeters._What_is_the_new_velocity_of_the_water?$ |
| A. | 50 m/s |
| B. | 55 m/s |
| C. | 60 m/s |
| D. | 65 m/s |
| Answer» C. 60 m/s | |
| 10. |
Reynolds number signifies the ratio of ____________ |
| A. | inertia forces to gravity forces |
| B. | buoyant forces to inertia forces |
| C. | inertial forces to viscous forces |
| D. | gravity forces top viscous forces |
| Answer» D. gravity forces top viscous forces | |
| 11. |
The unit of pressure one bar is ___________ |
| A. | 1 Pascal |
| B. | 1 kilo Pascal |
| C. | 100 kPascal |
| D. | 1000 kPascal |
| Answer» D. 1000 kPascal | |
| 12. |
Relative density of mercury is _____________ |
| A. | 13.6 |
| B. | 1 |
| C. | 1000 |
| D. | 9.8 |
| Answer» B. 1 | |
| 13. |
Simplified_equation_of_continuity_is_represented_as______________ |
| A. | A1V2 = A2V2 |
| B. | A1V1 = A1V2 |
| C. | A2V1 = A1V1 |
| D. | A1V1 = A2V2 |
| Answer» E. | |
| 14. |
Water flows through a rubber hose 2 cm in diameter at a velocity of 4 m/s. What must be the diameter of the nozzle in order that the water emerge at 16 m/s? |
| A. | 0.884 cm |
| B. | 0.891 cm |
| C. | 0.881 cm |
| D. | 0.894 cm |
| Answer» E. | |
| 15. |
Refer to Q6 and estimate a practical joker pinches the open end of the hose down to a diameter of 5 mm, and sprays his neighbor with it. What is the speed at which water comes out of the hose? |
| A. | 1690 cm/s |
| B. | 1660 cm/s |
| C. | 1698 cm/s |
| D. | 1668 cm/s |
| Answer» D. 1668 cm/s | |
| 16. |
A garden hose of diameter 2 cm is used to fill a 20 liter bucket. If it takes 1 minute to fill the bucket, what is the speed at which water enters the hose? |
| A. | 106.1 cm/s |
| B. | 106 cm/s |
| C. | 106.5 cm/s |
| D. | 106.8 cm/s |
| Answer» B. 106 cm/s | |
| 17. |
Is water incompressible? |
| A. | True |
| B. | False |
| Answer» C. | |
| 18. |
What do you mean by incompressible flow? |
| A. | Temperature is constant |
| B. | Density is constant |
| C. | Pressure is constant |
| D. | Velocity is constant |
| Answer» C. Pressure is constant | |
| 19. |
In smooth pipes, Laminar flow is encountered at what value of Reynolds number ? |
| A. | More than 2100 |
| B. | 2100-4000 |
| C. | More than 4000 |
| D. | Less than 2100 |
| Answer» E. | |
| 20. |
Which of the following fluid flow can form “eddies”? |
| A. | Streamline flow |
| B. | Laminar flow |
| C. | Turbulent flow |
| D. | Non-turbulent flow |
| Answer» D. Non-turbulent flow | |